12/09/2008 @ 12:01AM

In Depth: Twenty Most Affluent U.S. Neighborhoods

The data come from the U.S. Census Bureau’s three-year American Community Survey, which gathered findings between 2005 and 2007 and ranks cities, towns and Census-designated places (CDPs) with populations between 20,000 and 65,000. To determine the most affluent neighborhoods, we looked at the median income in each of these places.

4. McLean, Va.

Median Household Income: $156,292

This Washington, D.C., suburb is favored by government insiders because of its upscale homes and easy access to the Dulles Technology Corridor, the Blue Ridge Mountains and upscale shopping mecca Tysons Corner Center.